22220001221110 has 32 divisors (see below), whose sum is σ = 49865145599232. Its totient is φ = 6925714666080.

The previous prime is 22220001221107. The next prime is 22220001221129. The reversal of 22220001221110 is 1112210002222.

It is a happy number.

It is a super-2 number, since 2×22220001221110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14428571452 + ... + 14428572991.

It is an arithmetic number, because the mean of its divisors is an integer number (1558285799976).

Almost surely, 2^{22220001221110} is an apocalyptic number.

22220001221110 is an abundant number, since it is smaller than the sum of its proper divisors (27645144378122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220001221110 is a wasteful number, since it uses less digits than its factorization.

22220001221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28857144468.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22220001221110 its reverse (1112210002222), we get a palindrome (23332211223332).

The spelling of 22220001221110 in words is "twenty-two trillion, two hundred twenty billion, one million, two hundred twenty-one thousand, one hundred ten".